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(11)

EP 3 600 078 A1

(12)

(43) Date of publication: 05.02.2020 Bulletin 2020/06 (21) Application number: 17902033.4 (22) Date of filing: 23.03.2017

(51) International Patent Classification (IPC):  A61B 17/115(2006.01) A61B 17/068(2006.01) (86) International application number: PCT/CN2017/077862 (87) International publication number: WO 2018/170831 (27.09.2018 Gazette 2018/39)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (71) Applicant: Covidien LP Mansfield, MA 02048 (US)	(72) Inventors: WANG, Zhaokai Shanghai 200093 (CN) ZHANG, Xiliang Shanghai 251104 (CN)